RAYTHEON ELECTRON VACUUM TUBE CATALOG MANUAL(1957)
A great reference for the builder and https://www.tradebit.comio,Tel evision,TV,Transmitters,Amplif iers,......
Sylvania Electron Vacuum Tube Substitution Manual(1953)
A Great Way to find the proper tube for your Tube applications or Tube https://www.tradebit.comio,......
RCA TRANSMITTING VACUUM TUBE CATALOG (1942)
A great reference for the builder and https://www.tradebit.comio,Tel evision,TV,Transmitters,Amplif iers,Detectors......